Lack of involvement of lipocortin 1 in dexamethasone suppression of IL-1 release
1993
Lipocortin 1 and Dexamethasone's Effect on IL-1 Release
Sample size: 13
publication
Evidence: moderate
Author Information
Author(s): E. F. Morand, D. Rickard, N. J. Goulding
Primary Institution: Bath Institute for Rheumatic Diseases
Hypothesis
Is lipocortin 1 involved in the inhibition of monocyte IL-1 release by glucocorticoids?
Conclusion
Lipocortin 1 is not involved in the inhibition of monocyte IL-1 release by glucocorticoids.
Supporting Evidence
- LPS treatment significantly increased IL-1 release (p=0.001).
- Dexamethasone significantly reduced IL-1 release (p=0.009).
- Neutralizing antibodies to lipocortin 1 did not affect dexamethasone's action.
Takeaway
The study found that lipocortin 1 does not help glucocorticoids reduce a substance called IL-1 that causes inflammation.
Methodology
Monocytes were treated with lipopolysaccharide and dexamethasone, and IL-1 levels were measured using ELISA.
Participant Demographics
Healthy volunteers provided peripheral venous blood.
Statistical Information
P-Value
0.001
Statistical Significance
p<0.05
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